20199078720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{38749}}^1$

素因数の和:38953

約数の個数: 168

約数和(自身を含む): 69862065000

約数和(自身を除く): 49662986280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 181, 192, 240, 288, 320, 360, 362, 480, 543, 576, 720, 724, 905, 960, 1086, 1440, 1448, 1629, 1810, 2172, 2715, 2880, 2896, 3258, 3620, 4344, 5430, 5792, 6516, 7240, 8145, 8688, 10860, 11584, 13032, 14480, 16290, 17376, 21720, 26064, 28960, 32580, 34752, 38749, 43440, 52128, 57920, 65160, 77498, 86880, 104256, 116247, 130320, 154996, 173760, 193745, 232494, 260640, 309992, 348741, 387490, 464988, 521280, 581235, 619984, 697482, 774980, 929976, 1162470, 1239968, 1394964, 1549960, 1743705, 1859952, 2324940, 2479936, 2789928, 3099920, 3487410, 3719904, 4649880, 5579856, 6199840, 6974820, 7013569, 7439808, 9299760, 11159712, 12399680, 13949640, 14027138, 18599520, 21040707, 22319424, 27899280, 28054276, 35067845, 37199040, 42081414, 55798560, 56108552, 63122121, 70135690, 84162828, 105203535, 111597120, 112217104, 126244242, 140271380, 168325656, 210407070, 224434208, 252488484, 280542760, 315610605, 336651312, 420814140, 448868416, 504976968, 561085520, 631221210, 673302624, 841628280, 1009953936, 1122171040, 1262442420, 1346605248, 1683256560, 2019907872, 2244342080, 2524884840, 3366513120, 4039815744, 5049769680, 6733026240, 10099539360, 20199078720]

約数ペア:

[(1, 20199078720), (2, 10099539360), (3, 6733026240), (4, 5049769680), (5, 4039815744), (6, 3366513120), (8, 2524884840), (9, 2244342080), (10, 2019907872), (12, 1683256560), (15, 1346605248), (16, 1262442420), (18, 1122171040), (20, 1009953936), (24, 841628280), (30, 673302624), (32, 631221210), (36, 561085520), (40, 504976968), (45, 448868416), (48, 420814140), (60, 336651312), (64, 315610605), (72, 280542760), (80, 252488484), (90, 224434208), (96, 210407070), (120, 168325656), (144, 140271380), (160, 126244242), (180, 112217104), (181, 111597120), (192, 105203535), (240, 84162828), (288, 70135690), (320, 63122121), (360, 56108552), (362, 55798560), (480, 42081414), (543, 37199040), (576, 35067845), (720, 28054276), (724, 27899280), (905, 22319424), (960, 21040707), (1086, 18599520), (1440, 14027138), (1448, 13949640), (1629, 12399680), (1810, 11159712), (2172, 9299760), (2715, 7439808), (2880, 7013569), (2896, 6974820), (3258, 6199840), (3620, 5579856), (4344, 4649880), (5430, 3719904), (5792, 3487410), (6516, 3099920), (7240, 2789928), (8145, 2479936), (8688, 2324940), (10860, 1859952), (11584, 1743705), (13032, 1549960), (14480, 1394964), (16290, 1239968), (17376, 1162470), (21720, 929976), (26064, 774980), (28960, 697482), (32580, 619984), (34752, 581235), (38749, 521280), (43440, 464988), (52128, 387490), (57920, 348741), (65160, 309992), (77498, 260640), (86880, 232494), (104256, 193745), (116247, 173760), (130320, 154996)]